APA (7th ed.) Citation

Chang, S., Coulson, N. E., & Wang, P. (2002). Optimal drug policy in low-income neighborhoods. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Chang, Sheng-wen, N. Edward Coulson, and Ping Wang. Optimal Drug Policy in Low-income Neighborhoods. Cambridge, Mass: National Bureau of Economic Research, 2002.

MLA (9th ed.) Citation

Chang, Sheng-wen, et al. Optimal Drug Policy in Low-income Neighborhoods. National Bureau of Economic Research, 2002.